2021 Acura TLX Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2021 Acura TLX and How to Address Them Effectively

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
80% chance it's the
Oil System Components
0%
20% chance it's the
Engine Gaskets
The most common reasons a 2021 Acura TLX is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A worn or damaged oil pump or filter can lead to low oil pressure, resulting in inadequate lubrication and potential engine damage.
  • Engine Gaskets: A worn or damaged engine gasket can lead to oil or coolant leaks, resulting in engine overheating or loss of lubrication.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2021 Acura TLX is leaking oil?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Oil pans don't wear out or break like other parts, they generally only need to be replaced because of external damage from an accident or an improperly tightened drain plug. The main symptom you will experience is an oil leak underneath the engine of your car. The oil that leaks from a damaged oil pan will range from dark brown to dark black. If the leak is large enough or occurs for long enough the oil level will be low enough to turn the oil pressure or low oil level warning light on.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What steps should I take to diagnose the oil leak in my 2021 Acura TLX?

To effectively diagnose an oil leak in your 2021 Acura TLX, begin with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Start by locating the leak; inspect the area beneath your vehicle for any visible oil drips or stains, which can provide immediate clues. Next, check the oil level in your engine; a consistently low level may indicate a leak that needs attention. Focus on the oil filter and drain plug, ensuring they are secure and free from damage, as these are common culprits for leaks. Additionally, examine the gaskets and seals around the engine, particularly the valve cover gasket and oil pan gasket, for signs of wear or deterioration. If the source remains elusive, consider using UV dye in the oil, which can illuminate the leak under a UV light after running the engine. For a more thorough investigation, a pressure test can help identify leaks by pressurizing the oil system and observing any escaping oil. If these steps do not yield results, consulting a professional mechanic is advisable, as they possess the expertise and specialized tools necessary for a comprehensive diagnosis and repair. By following this structured approach, you can efficiently identify and address the oil leak in your Acura TLX.

What are the common causes of oil leaks in a 2021 Acura TLX?

When dealing with oil leaks in a 2021 Acura TLX, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear down over time, leading to leaks. Similarly, a worn valve cover gasket can allow oil to escape from the top of the engine, creating noticeable leaks. Another potential source of oil leaks is a faulty oil filter or its housing gasket; if these components are compromised, they can lead to significant oil loss. Additionally, damaged oil cooler lines can develop leaks, contributing to the problem. Lastly, a loose or damaged oil drain plug can also be a source of oil leaks from the oil pan. Addressing these issues promptly is essential not only for maintaining the vehicle's performance but also for preventing further engine damage. Regular inspections and maintenance can help DIY enthusiasts catch these problems early, ensuring their Acura TLX remains in optimal condition.

How urgent is it to address the oil leak in my 2021 Acura TLX?

Addressing an oil leak in your 2021 Acura TLX is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. An oil leak can lead to insufficient lubrication of engine components, which increases friction and can cause severe damage over time. This damage may manifest as overheating or even complete engine failure, resulting in costly repairs and potential safety hazards while driving. Furthermore, a leaking oil system can lead to a significant loss of oil, which not only jeopardizes the engine's performance but also poses environmental risks. Oil spills can contaminate soil and water sources, harming local ecosystems and wildlife. Therefore, it is crucial to diagnose and repair any oil leaks promptly, ensuring the longevity and reliability of your Acura TLX while also protecting the environment. Ignoring this issue can lead to dire consequences, making it essential to act swiftly and consult a qualified mechanic for a thorough inspection and repair.

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2021 Acura TLX Oil Leak Causes & Repair Costs | RepairPal